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发明名称
Floating door bottom sealing device
摘要
申请公布号
US2555244(A)
申请公布日期
1951.05.29
申请号
US19490127810
申请日期
1949.11.17
申请人
OLIVER PIETRUSHAK KURT
发明人
PIETRUSHAK KURT OLIVER
分类号
E06B7/18
主分类号
E06B7/18
代理机构
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